CN114234727A - Full-automatic explosive charging device of launching tube for fireworks and crackers - Google Patents
Full-automatic explosive charging device of launching tube for fireworks and crackers Download PDFInfo
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- CN114234727A CN114234727A CN202111665928.8A CN202111665928A CN114234727A CN 114234727 A CN114234727 A CN 114234727A CN 202111665928 A CN202111665928 A CN 202111665928A CN 114234727 A CN114234727 A CN 114234727A
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- feeding
- rack
- launching tube
- clamping
- fireworks
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- 239000002360 explosive Substances 0.000 title claims description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 101100014158 Caenorhabditis elegans rack-1 gene Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/30—Manufacture
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a full-automatic charging device of a launching tube for fireworks and crackers, which relates to the technical field of firework processing equipment and comprises a rack, wherein a transmission assembly and a charging mechanism are arranged on the rack, the transmission assembly is positioned below the charging mechanism, the transmission assembly comprises a conveying belt support and a conveying belt fixedly arranged on the conveying belt support, and the transmission assembly also comprises a clamping assembly used for clamping and fixing the launching tube; charging mechanism is including removing the support and throwing the feed bin, it has the multiunit and removes support sliding connection to throw feed bin evenly distributed, it is equipped with the material roller of throwing in the feed bin, throw the material roller and throw the feed bin and rotate and be connected, throw the material roller outer periphery and radially seted up the stock chest, throw the material roller through rotating and make the stock chest overturn downwards with the raw materials in the stock chest throw the launch canister, along with holding the feeding of seat, pack into the raw materials in the launch canister in proper order, thereby realize automatic charging's function, convenient operation is swift, compare artifical powder charge, high efficiency is higher, avoid the wrong neglected loading that the people leads to, the quality of processing has been guaranteed.
Description
Technical Field
The invention belongs to the technical field of firework processing equipment, and particularly relates to a full-automatic charging device for a launching tube for fireworks and crackers.
Background
Fireworks are also called fireworks, fireworks and fireworks, and people working in Han nationality invent earlier, and are mainly used in military affairs, grand ceremonies or performances, while the only modern activities capable of releasing fireworks on the same day and in the same day in China and all over the world are cross-year (except midnight) activities. In the firework processing process, different raw materials need to be filled into the launching tube, the existing filling mode adopts manual filling, the filling efficiency is low, and the problems of wrong filling, missing filling and the like are easily caused due to the fact that the raw materials relate to the filling sequence and the filling types are more, the fault tolerance rate of manual operation is higher, and therefore the full-automatic powder filling device for the launching tube for fireworks and crackers is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a full-automatic charging device for a launching tube of fireworks and crackers, so as to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme: a full-automatic charging device of a launching tube for fireworks and crackers comprises a rack, wherein a transmission assembly and a charging mechanism are arranged on the rack, the transmission assembly is positioned below the charging mechanism and comprises a conveying belt support and a conveying belt fixedly arranged on the conveying belt support, and a linear telescopic mechanism is arranged between the bottom end of the conveying belt support and a bottom plate of the rack;
the device also comprises a clamping assembly which is detachably connected with the conveying belt, a plurality of fixed blocks are arranged on the conveying belt and are clamped and connected with the grooves at the bottom end of the clamping assembly, and the clamping assembly comprises two groups of clamping blocks which are used for clamping and fixing the launching tube;
the powder charging mechanism comprises a movable support and a feeding bin, wherein multiple groups of feeding bins are uniformly distributed on the movable support and are in sliding connection with the movable support, the feeding bins are fixedly connected, the movable support is in sliding connection with the rack, a feeding roller is arranged in the feeding bin and is in rotating connection with the feeding bin, a storage tank is radially arranged on the outer circumferential surface of the feeding roller, and one end of the feeding roller is connected with a rotating driving assembly for driving the feeding roller to rotate and feed materials.
As a further scheme of the invention, the clamping assembly comprises a holding seat, one end of each clamping block, which is close to the holding seat, is in sliding connection with the holding seat, the clamping blocks are symmetrically arranged on two sides of the holding seat, springs are arranged between the clamping blocks on the two sides for connection, and the bottom end of the holding seat is provided with a positioning hole capable of accommodating the fixing block.
As a further scheme of the invention, a rotating second screw rod is arranged at the top end of one side of the rack parallel to the feeding direction, one end of the movable support is in threaded connection with the second screw rod, and one end of the second screw rod is fixedly connected with an output shaft of a third motor.
As a further scheme of the invention, sliding grooves are formed in two sides of the movable support perpendicular to the feeding direction, a rotating first lead screw is arranged on one side of the movable support, the first lead screw is rotatably connected with the movable support, one end of the first lead screw is fixedly connected with an output shaft of a second motor, and a fixed block is arranged on a feeding bin close to one side of the first lead screw and penetrates through the sliding grooves to be in threaded connection with the first lead screw.
As a further scheme of the invention, the rotating assembly comprises a rack and a gear, the rack is fixedly connected with a rotating shaft of the feeding roller, the gear is positioned at the bottom end of the rack, the bottom end of the gear is fixedly connected with the holding seat, and the gear is meshed with the rack.
As a further scheme of the invention, a plurality of feeding pipes are arranged at the bottom end of the feeding bin, a plurality of through holes are formed in the bottom end of each feeding pipe, the feeding pipes are communicated with the inner cavity of the feeding bin, an anti-blocking assembly is arranged in each feeding pipe and comprises an anti-blocking block, needle points are arranged at the positions, corresponding to the through holes, of the bottom end of each anti-blocking block and correspond to the through holes one by one, and the anti-blocking blocks can reciprocate along the axial direction of the feeding pipes.
As a further scheme of the invention, a spring is arranged at the bottom end of the anti-blocking block, a bulge is radially arranged on one side of the feeding roller, which is far away from the storage tank, and corresponds to the anti-blocking block, and the anti-blocking block is attached to the outer circumferential surface of the feeding roller under the action of the spring.
The invention has the beneficial effects that: throw the material roller through rotating and make the stock chest overturn downwards with the raw materials in the stock chest drop into the launching tube, along with holding feeding of seat, fill into the raw materials in proper order to the launching tube to realize automatic charging's function, convenient operation is swift, and manual charging compares, and is efficient higher, avoids the wrong neglected loading that artificial leads to, has guaranteed the quality of processing.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
figure 3 is a cross-sectional view of a batch bin of the present invention;
FIG. 4 is a schematic structural view of the charging mechanism of the present invention;
FIG. 5 is a schematic structural view of the clamping assembly of the present invention;
FIG. 6 is a schematic structural view of the drive assembly of the present invention;
FIG. 7 is a schematic view of the construction of the charging roll of the present invention;
FIG. 8 is a schematic view of the feed tube of the present invention;
FIG. 9 is a schematic structural view of an anti-clog assembly of the present invention;
in the figure: the device comprises a rack-1, a conveyor belt support-2, a conveyor belt-21, a fixed block-22, a first motor-23, a cylinder-24, a clamping seat-3, a clamping block-31, a spring-32, a positioning hole-301, a movable support-4, a first lead screw-41, a second motor 42, a chute-43, a feeding bin-5, a feeding roller-6, a protrusion-61, a storage tank-62, a feeding pipe-7, a through hole-701, a rack-8, a gear-9, an anti-blocking block-10, a second lead screw-11, a third motor-12, a needle point-13, a spring-14 and a circular groove-501.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, in the embodiment of the invention, a full-automatic charging device for a launching tube for fireworks and crackers includes a frame 1, a transmission assembly and a charging mechanism are arranged on the frame 1, the transmission assembly is located below the charging mechanism, the transmission assembly includes a conveyor belt support 2 and a conveyor belt 21 fixedly mounted on the conveyor belt support 2, one end of the conveyor belt 21 is connected with a first motor 23, the conveyor belt 21 is driven to run by the first motor 23, the first motor 23 is driven intermittently, a linear telescopic mechanism, preferably a cylinder assembly, is arranged between the bottom end of the conveyor belt support 2 and a bottom plate of the frame 1, and a cylinder 24 is arranged between the bottom end of the conveyor belt support 2 and the frame 1 for connection, namely the conveyor belt support 2 is driven to move up and down and be adjusted by the cylinder 24;
the launching tube clamping device is characterized by further comprising a clamping assembly which is detachably connected with the conveying belt 21, a plurality of fixing blocks 22 are arranged on the conveying belt 21 and are connected with grooves at the bottom end of the clamping assembly in a clamping mode, and the clamping assembly comprises two groups of clamping blocks 31 which are used for clamping and fixing the launching tube; specifically, as shown in fig. 5, the clamping assembly includes a holder 3, one end of each clamping block 31 close to the holder 3 is slidably connected to the holder 3, the clamping blocks 31 are symmetrically disposed on two sides of the holder 3, a spring 32 is disposed between the clamping blocks 31 on the two sides for connection, a positioning hole 301 capable of accommodating the fixing block 22 is disposed at the bottom end of the holder 3, that is, the fixing block 22 moves to drive the holder 3 to move, and then the launching tube is driven to transmit.
The powder charging mechanism comprises a movable support 4 and a feeding bin 5, wherein multiple groups of the feeding bin 5 are evenly distributed and are in sliding connection with the movable support 4, the feeding bin 5 is fixedly connected, the movable support 4 is in sliding connection with the rack 1, a feeding roller 6 is arranged in the feeding bin 5, the feeding roller 6 is in rotating connection with the feeding bin 5, a storage groove 62 is radially formed in the outer circumferential surface of the feeding roller 6, and one end of the feeding roller 6 is connected with a rotation driving assembly for driving the feeding roller 6 to rotate and feed materials.
When fireworks processing loads powder, place each composition raw materials respectively in throwing feed bin 5, throw feed bin 5 that is close to launch canister input one end and pack into the raw materials of filling at the bottommost, put into in proper order according to the filling order, it is close to the motion of moving support 4 one side under the work of conveyer belt support 2 to hold seat 3, after launch canister gets into the below of throwing feed bin 5, through rotating to throw material roller 6 and make during the downward upset of stock chest 62 drops into the launch canister with the raw materials in the stock chest 62, along with holding feeding of seat 3, in proper order to the launch canister in fill in the raw materials, thereby realize automatic charging's function, and convenient operation is swift, compare artifical powder charge, high efficiency is higher, avoid the wrong neglected loading that artificial leads to, the quality of processing has been guaranteed.
In some embodiments, automatic powder charging is realized by fixing the holder 3 on the conveyor belt 21 and driving the movable support 4 to move through a driving mechanism, specifically, as shown in fig. 2, a rotating second lead screw 11 is arranged at the top end of one side of the machine frame 1 parallel to the feeding direction, one end of the movable support 4 is in threaded connection with the second lead screw 11, and one end of the second lead screw 11 is fixedly connected with an output shaft of the third motor 12. The automatic powder charging device is characterized in that sliding grooves 43 are formed in two sides of the movable support 4 in the vertical feeding direction, a first rotating lead screw 41 is arranged on one side of the movable support, the first lead screw 41 is rotatably connected with the movable support 4, one end of the first lead screw 41 is fixedly connected with an output shaft of a second motor 42, a fixing block is arranged on the feeding bin 5 close to one side of the first lead screw 41 and penetrates through the sliding grooves 43 to be in threaded connection with the first lead screw 41, namely, the second lead screw 11 is driven by a third motor 12 to rotate to further drive the movable support 4 to reciprocate along the axis of the second lead screw 11, meanwhile, the first lead screw 41 can be driven by the second motor 42 to rotate, the movable support 4 is driven to move left and right, a positioning sensor group is installed at the bottom end of the feeding bin 5, and the PLC is matched to control the third motor 12 and the second motor 42 to work, so that the automatic powder charging function is realized.
Optionally, as shown in fig. 4, the rotating assembly includes a rack 8 and a gear 9, the rack 8 is fixedly connected to the rotating shaft of the feeding roller 6, the gear 9 is located at the bottom end of the rack 8, the bottom end of the gear 9 is fixedly connected to the holder 3, the gear 9 is meshed with the rack 8, and when the holder 3 carries the launch canister to feed, the gear 9 drives the rack 8 to rotate, so as to drive the feeding roller 6 to rotate, thereby achieving automatic feeding.
Preferably, as shown in fig. 6 and 8, the feeding bin 5 is provided with a plurality of feeding pipes 7 at the bottom end thereof, the feeding pipes 7 are provided with a plurality of through holes 701 at the bottom end thereof, the feeding pipes 7 are communicated with the inner cavity of the feeding bin 5, an anti-blocking assembly is arranged in the feeding pipes 7, the anti-blocking assembly comprises anti-blocking blocks 10, the positions of the bottom ends of the anti-blocking blocks 10 corresponding to the through holes 701 are provided with needle points 13 corresponding to the through holes 701 one by one, the anti-blocking blocks 10 can axially reciprocate along the feeding pipes 7, the bottom ends of the anti-blocking blocks 10 are provided with springs 14, one side of the feeding roller 6, which is far away from the storage tank 62, is radially provided with protrusions 61 corresponding to the anti-blocking blocks 10, the anti-blocking blocks 10 are attached to the outer circumferential surface of the feeding roller 6 under the action of the springs 14, that is, when the feeding roller 6 moves, the protrusions 61 push the anti-blocking blocks 10 to cooperate with the springs 14 to move up and down, and when the storage tank 62 turns upwards, the protrusions 61 push the anti-blocking blocks 10 downwards so that the needle points 13 are inserted into the through holes 701 to clean the through holes 701, avoid blockking up, when stock chest 62 overturns down, protruding 61 breaks away from with preventing blockking 10 top, prevents blockking 10 and goes upward in the effect of spring 14, and needle point 13 is taken out from through-hole 701 promptly, does not influence and normally throws the material.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", etc., indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the method is simple. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the spirit and scope of the invention, and any equivalents thereto, such as those skilled in the art, are intended to be embraced therein.
Claims (7)
1. The full-automatic charging device for the launching tube for the fireworks and crackers comprises a rack (1) and is characterized in that a transmission assembly and a charging mechanism are arranged on the rack (1), the transmission assembly is located below the charging mechanism and comprises a conveying belt support (2) and a conveying belt (21) fixedly installed on the conveying belt support (2), and a linear telescopic mechanism is arranged between the bottom end of the conveying belt support (2) and a bottom plate of the rack (1);
the launching tube clamping device is characterized by further comprising a clamping assembly which is detachably connected with the conveying belt (21), a plurality of fixing blocks (22) are arranged on the conveying belt (21) and are connected with grooves at the bottom end of the clamping assembly in a clamping mode, and the clamping assembly comprises two groups of clamping blocks (31) which are used for clamping and fixing the launching tube;
the powder charging mechanism comprises a movable support (4) and a feeding bin (5), wherein multiple groups of sliding connections with the movable support (4) are uniformly distributed in the feeding bin (5), the feeding bin (5) is fixedly connected with each other, the movable support (4) is connected with a rack (1) in a sliding manner, a feeding roller (6) is arranged in the feeding bin (5), the feeding roller (6) is rotatably connected with the feeding bin (5), a storage groove (62) is radially formed in the outer circumferential surface of the feeding roller (6), and one end of the feeding roller (6) is connected with a rotary driving assembly for driving the feeding roller (6) to rotate and feed.
2. The full-automatic explosive charging device for the launching tube of the fireworks and crackers as claimed in claim 1, wherein the clamping assembly comprises a holding seat (3), one end of the clamping block (31) close to the holding seat (3) is in sliding connection with the holding seat (3), the clamping blocks (31) are symmetrically arranged on two sides of the holding seat (3), a spring (32) is arranged between the clamping blocks (31) on the two sides for connection, and a positioning hole (301) capable of containing a fixing block (22) is formed in the bottom end of the holding seat (3).
3. The full-automatic charging device for the launching tube of the fireworks and crackers as claimed in claim 1, wherein a second rotating lead screw (11) is arranged at the top end of one side of the rack (1) parallel to the feeding direction, one end of the movable support (4) is in threaded connection with the second lead screw (11), and one end of the second lead screw (11) is fixedly connected with an output shaft of a third motor (12).
4. The full-automatic charging device of the launching tube for fireworks and crackers as claimed in claim 1, wherein sliding grooves (43) are formed in two sides of the movable support (4) perpendicular to the feeding direction, a first rotating lead screw (41) is arranged on one side of the movable support, the first lead screw (41) is rotatably connected with the movable support (4), one end of the first lead screw (41) is fixedly connected with an output shaft of a second motor (42), and a charging bin (5) close to one side of the first lead screw (41) is provided with a fixing block which penetrates through the sliding grooves (43) and is in threaded connection with the first lead screw (41).
5. The full-automatic charging device of the launching tube for fireworks and crackers as claimed in claim 4, wherein the rotating assembly comprises a rack (8) and a gear (9), the rack (8) is fixedly connected with a rotating shaft of the feeding roller (6), the gear (9) is located at the bottom end of the rack (8), the bottom end of the gear (9) is fixedly connected with the holder (3), and the gear (9) is meshed with the rack (8).
6. The full-automatic charging device of the launching tube for fireworks and crackers, as recited in claim 5, characterized in that a plurality of feeding tubes (7) are arranged at the bottom end of the feeding bin (5), a plurality of through holes (701) are arranged at the bottom end of the feeding tubes (7), the feeding tubes (7) are communicated with the inner cavity of the feeding bin (5), an anti-blocking component is arranged in the feeding tubes (7), the anti-blocking component comprises an anti-blocking block (10), a needle point (13) corresponding to one of the through holes (701) is arranged at the bottom end of the anti-blocking block (10), and the anti-blocking block (10) can axially reciprocate along the feeding tubes (7).
7. The full-automatic explosive charging device for the launching tube of the fireworks and crackers as claimed in claim 6, wherein a spring (14) is arranged at the bottom end of the anti-blocking block (10), a protrusion (61) corresponding to the anti-blocking block (10) is radially arranged on one side, away from the storage tank (62), of the feeding roller (6), and the anti-blocking block (10) is attached to the outer circumferential surface of the feeding roller (6) under the action of the spring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665928.8A CN114234727A (en) | 2021-12-31 | 2021-12-31 | Full-automatic explosive charging device of launching tube for fireworks and crackers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111665928.8A CN114234727A (en) | 2021-12-31 | 2021-12-31 | Full-automatic explosive charging device of launching tube for fireworks and crackers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114234727A true CN114234727A (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111665928.8A Pending CN114234727A (en) | 2021-12-31 | 2021-12-31 | Full-automatic explosive charging device of launching tube for fireworks and crackers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114234727A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114874056A (en) * | 2022-06-21 | 2022-08-09 | 重庆长江电工工业集团有限公司 | Powder charge template screening device |
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|---|---|---|---|---|
| DE3340620A1 (en) * | 1983-11-10 | 1985-05-23 | Bayern-Chemie Gesellschaft für flugchemische Antriebe mbH, 8261 Aschau | Process and apparatus for producing a propellent charge |
| CN206160837U (en) * | 2016-09-18 | 2017-05-10 | 深圳市先力精工科技有限公司 | Section of thick bamboo machine is gone into to fireworks gunpowder |
| CN109186364A (en) * | 2018-08-10 | 2019-01-11 | 百特（福建）智能装备科技有限公司 | Fireworks and firecrackers loads medicine quantitative mechanism |
| CN111380417A (en) * | 2018-12-31 | 2020-07-07 | 沈阳新松机器人自动化股份有限公司 | Prevent blockking up some tail mechanisms |
| CN111609767A (en) * | 2020-06-09 | 2020-09-01 | 浏阳市华冠出口花炮集团有限公司 | Pyrotechnic composition granule canning machine |
| CN212069514U (en) * | 2020-04-26 | 2020-12-04 | 青海晶威混凝土有限公司 | Concrete shale shaker that permeates water prevents stifled mechanism |
-
2021
- 2021-12-31 CN CN202111665928.8A patent/CN114234727A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3340620A1 (en) * | 1983-11-10 | 1985-05-23 | Bayern-Chemie Gesellschaft für flugchemische Antriebe mbH, 8261 Aschau | Process and apparatus for producing a propellent charge |
| CN206160837U (en) * | 2016-09-18 | 2017-05-10 | 深圳市先力精工科技有限公司 | Section of thick bamboo machine is gone into to fireworks gunpowder |
| CN109186364A (en) * | 2018-08-10 | 2019-01-11 | 百特（福建）智能装备科技有限公司 | Fireworks and firecrackers loads medicine quantitative mechanism |
| CN111380417A (en) * | 2018-12-31 | 2020-07-07 | 沈阳新松机器人自动化股份有限公司 | Prevent blockking up some tail mechanisms |
| CN212069514U (en) * | 2020-04-26 | 2020-12-04 | 青海晶威混凝土有限公司 | Concrete shale shaker that permeates water prevents stifled mechanism |
| CN111609767A (en) * | 2020-06-09 | 2020-09-01 | 浏阳市华冠出口花炮集团有限公司 | Pyrotechnic composition granule canning machine |
Non-Patent Citations (1)
| Title |
|---|
| 汤漾平: "《机械制造装备技术》", 华中科技大学出版社, pages: 293 - 294 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114874056A (en) * | 2022-06-21 | 2022-08-09 | 重庆长江电工工业集团有限公司 | Powder charge template screening device |
| CN114874056B (en) * | 2022-06-21 | 2024-05-28 | 重庆长江电工工业集团有限公司 | Screening device for charging template |
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Application publication date: 20220325 |